Medical instrument circulating cleaning and disinfecting device

The utility model discloses a circulating cleaning and disinfecting device for medical instruments. The device comprises a water storage cavity, water pumps and motors, a water pump is arranged in thewater storage cavity; a water pipe is connected to the top end of the right side of the water pump, a flow guide pipe is connected to the top end of the water pipe, the top end of the flow guide pipeis connected to the inner wall of the cleaning cavity, a nozzle is connected to the bottom end surface of the flow guide pipe, a first bevel gear is inserted into the cleaning cavity, and a first belt wheel is connected to the top end of the first bevel gear. The device is provided with the spray head and the rotary drum; a rotating drum and a clamping door are matched and fastened with each other, a second bevel gear rotates to drive the rotating drum and the clamping door to rotate, a spray head sprays disinfectant fluid to clean instruments, a through hole is formed in the bottom end of acleaning cavity and communi